Home / 5,479,838.60-8,220,276.30-1,490,750.60

Finding the Fourth Proportional to 5,479,838.60, 8,220,276.30 and 1,490,750.60

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Solution

The fourth proportional to 5,479,838.60, 8,220,276.30 and 1,490,750.60 is: 2,236,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,838.60 : 8,220,276.30 = 1,490,750.60 : x
  2. Step 2: Convert to fraction form
    5,479,838.60/8,220,276.30 = 1,490,750.60/x
  3. Step 3: Cross multiply
    5,479,838.60x = 8,220,276.30 × 1,490,750.60
  4. Step 4: Simplify right side
    5,479,838.60x = 12,254,381,826,390.78
  5. Step 5: Solve for x
    x = 12,254,381,826,390.78/5,479,838.60
  6. Step 6: Final answer
    x = 2,236,266.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.